What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Peptide Therapy in Boise Specialized Treatment for First Responders Blueline Wellness Pentadecapeptide BPC 157 Enhances the Growth Hormone Receptor Expression in Tendon Fibroblasts Pentadecapeptide BPC 157 Enhances the Growth Hormone Receptor Expression in Tendon Fibroblasts Tore my rotator cuff and my friend @lindsythenp @regener8lifeclinic was on it! BPC 157 is a peptide currently experimental but used off label for muscle and cartilage regeneration. I highly recommend